Accepts P-Metric and Inches
155/55-15 | 145/55-15 | Difference | |
---|---|---|---|
Diameter inches (mm) | 21.71 (551.5) | 21.28 (540.5) | -0.43 (-11) -2% |
Width inches (mm) | 6.1 (155) | 5.71 (145) | -0.39 (-10) -6.5% |
Circum. inches (mm) | 68.21 (1732.59) | 66.85 (1698.03) | -1.36 (-34.56) -2% |
Sidewall Height inches (mm) | 3.36 (85.25) | 3.14 (79.75) | -0.22 (-5.5) -6.5% |
Revolutions per mile (km) | 928.87 (577.17) | 947.77 (588.92) | 18.9 (11.75) 2% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.6 mph (31.54 km/h) |
25 mph (40.23 km/h) | 24.5 mph (39.43 km/h) |
30 mph (48.28 km/h) | 29.4 mph (47.32 km/h) |
35 mph (56.33 km/h) | 34.3 mph (55.2 km/h) |
40 mph (64.37 km/h) | 39.2 mph (63.09 km/h) |
45 mph (72.42 km/h) | 44.1 mph (70.98 km/h) |
50 mph (80.47 km/h) | 49 mph (78.86 km/h) |
55 mph (88.51 km/h) | 53.9 mph (86.75 km/h) |
60 mph (96.56 km/h) | 58.8 mph (94.63 km/h) |
65 mph (104.61 km/h) | 63.7 mph (102.52 km/h) |
70 mph (112.65 km/h) | 68.6 mph (110.41 km/h) |
75 mph (120.7 km/h) | 73.5 mph (118.29 km/h) |
80 mph (128.75 km/h) | 78.4 mph (126.18 km/h) |
85 mph (136.79 km/h) | 83.3 mph (134.07 km/h) |
90 mph (144.84 km/h) | 88.2 mph (141.95 km/h) |
95 mph (152.89 km/h) | 93.11 mph (149.84 km/h) |
100 mph (160.93 km/h) | 98.01 mph (157.72 km/h) |
2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power